Re: [PATCH] drm/amd/powerplay: remove variable 'result' set but not used

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OK, it indeed should return the 'result' to caller,
I will make a modification and repost the patch.

Thanks
Chen Wandun

On 2019/11/18 14:50, Quan, Evan wrote:
Thanks. But it's better to return the 'result' out on 'result != 0'.

Regards,
Evan
-----Original Message-----
From: Chen Wandun <chenwandun@xxxxxxxxxx>
Sent: Saturday, November 16, 2019 11:43 AM
To: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Quan, Evan <Evan.Quan@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
Cc: chenwandun@xxxxxxxxxx
Subject: [PATCH] drm/amd/powerplay: remove variable 'result' set but not used

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/vegam_smumgr.c: In function vegam_populate_smc_boot_level:
drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/vegam_smumgr.c:1364:6: warning: variable result set but not used [-Wunused-but-set-variable]

Signed-off-by: Chen Wandun <chenwandun@xxxxxxxxxx>
---
  drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c | 13 ++++++-------
  1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
index 2068eb0..fad78bf 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
@@ -1361,20 +1361,19 @@ static int vegam_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
  static int vegam_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
  		struct SMU75_Discrete_DpmTable *table)
  {
-	int result = 0;
  	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
table->GraphicsBootLevel = 0;
  	table->MemoryBootLevel = 0;
/* find boot level from dpm table */
-	result = phm_find_boot_level(&(data->dpm_table.sclk_table),
-			data->vbios_boot_state.sclk_bootup_value,
-			(uint32_t *)&(table->GraphicsBootLevel));
+	phm_find_boot_level(&(data->dpm_table.sclk_table),
+			    data->vbios_boot_state.sclk_bootup_value,
+			    (uint32_t *)&(table->GraphicsBootLevel));
- result = phm_find_boot_level(&(data->dpm_table.mclk_table),
-			data->vbios_boot_state.mclk_bootup_value,
-			(uint32_t *)&(table->MemoryBootLevel));
+	phm_find_boot_level(&(data->dpm_table.mclk_table),
+			    data->vbios_boot_state.mclk_bootup_value,
+			    (uint32_t *)&(table->MemoryBootLevel));
table->BootVddc = data->vbios_boot_state.vddc_bootup_value *
  			VOLTAGE_SCALE;


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